Lack of studies doesn't mean it's not true. Anecdotally, whenever I see a new dentist, the first thing they say (usually the assistant) is "I see you're a flos

Lack of studies doesn't mean it's not true. Anecdotally, whenever I see a new dentist, the first thing they say (usually the assistant) is "I see you're a flosser!". Then they comment about how healthy are my gums. I'd guess every dental employee on the planet thinks flossing helps prevent gum disease at the very least.